tle4942 Infineon Technologies Corporation, tle4942 Datasheet - Page 12

• Manufacturer Part Number: tle4942
• Description: Differential Two-wire Hall Effect Sensor-ic For Wheel Speed Applications With Direction Detection
• Manufacturer: Infineon Technologies Corporation

Table 4
Parameter
Supply current
Supply current
Supply current ratio
Output rise/fall slew rate
TLE4942-1
Output rise/fall slew rate
TLE4942-1C
Current ripple d
Limit threshold
1 Hz <
2500 Hz <
Airgap warning threshold
1 Hz <
2500 Hz <
Limit - Airgap warning
threshold ratio
Assembly position
threshold
Magnetic differential field
change necessary to
detect magnetic edge in
uncalibrated mode
∆
Initial calibration
delay time
Magnetic edges
suppressed until output
switching
Data Sheet
B
ˆ
Limit, early startup
f
f
< 2500 Hz
< 2500 Hz
f
f
Electrical Characteristics
All values specified at constant amplitude and offset of input signal, over
operating range, unless otherwise specified.
Typical values correspond to
< 5000 Hz
< 5000 Hz
I
X
/d
V
CC
Symbol
I
I
I
t
t
I
∆
∆
∆
∆
∆
∆
startup
t
n
r
r
d,input
LOW
HIGH
HIGH
X
,
,
DZ-start
B
B
B
B
B
B
ˆ
t
t
Limit
Warning
Warning
Limit
EL
f
f
Limit, early
/
I
LOW
/
min.
5.9
11.8
1.9
12
7.5
8
8
–
0.35
–
0.9
–
1.3
5.2
–
0.7
255
–
V
CC
12
Limit Values
= 12 V and
7.2
300
typ.
7
14
–
–
–
–
–
–
0.8
–
1.6
–
2
–
1.76
–
max.
8.4
16.8
–
26
24
22
26
90
1.5
1.6
2.6
2.8
2.7
9.6
–
3.3
345
1
2)
T
A
= 25°C
Unit
mA
mA
mA/µs
mA/µs
µA/V
mT
mT
mT
mT
µs
magn.
edges
Remarks
R
R
See Figure 6
R
T
T
See Figure 6
1)
1)
1)
At room temp
First detected
magnetic edge
is suppressed
(nonvalid)
Additional to
After power on
and stop pulse
M
M
M
< 125°C
< 170°C
TLE4942-1C
≤ 150 Ω
≤ 750 Ω
= 75 Ω
V 3. 1, 2005-02
TLE4942-1
n
start